Operation or Operations may refer to:

Arts, entertainment and media

* ''Operation'' (game), a battery-operated board game that challenges dexterity * Operation (music), a term used in musical set theory * ''Operations'' (magazine), Multi-Man Publishing's house organ for articles and discussion about its wargaming products * ''The Operation'' (film), a 1973 British television film * ''The Operation'' (1990), a crime, drama, TV movie starring Joe Penny, Lisa Hartman, and Jason Beghe * The Operation M.D., formerly The Operation, a Canadian garage rock band * "Operation", a song by Relient K from '' The Creepy EP'', 2001

Television

Episodes

* "The Operation", ''Sky Dancers'' episode 27 (1996) * "The Operation", ''The Golden Girls'' season 1, episode 18 (1986) * "The Operation", ''You're Only Young Twice'' (1997) series 2, episode 8 (1978)

Shows

* ''The Operation'' (1992–1998), a reality television series from

TLC TLC may refer to: Arts and entertainment Television * ''TLC'' (TV series), a 2002 British situational comedy television series that aired on BBC2 * TLC (TV network), formerly the Learning Channel, an American cable TV network ** TLC (Asia), an A ...

Business

* Manufacturing operations, operation of a facility *

Operations management Operations management is concerned with designing and controlling the production (economics), production of good (economics), goods and service (economics), services, ensuring that businesses are efficiency, efficient in using resources to meet ...

, an area of management concerned with designing and controlling the process of production

Military and law enforcement

* Military operation, a military action (usually in a military campaign) using deployed forces ** Black operation, or "Black op", an operation that may be outside of standard military protocol or against the law ** Clandestine operation, an intelligence or military operation carried out so that the operation goes unnoticed ** Combined operations, operations by forces of two or more allied nations **

Covert operation A covert operation or undercover operation is a military or police operation involving a covert agent or troops acting under an assumed cover to conceal the identity of the party responsible. US law Under US law, the Central Intelligence A ...

, an operation which conceals the identity of the sponsor ** Psychological operations, an operation consisting of psychological manipulations, tactics, and warfare **

Special operations Special operations or special ops are military activities conducted, according to NATO, by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment." Special operations ma ...

, military operations that are unconventional *

Operations (J3) The Operations (J3) directorate is the Continental Staff System branch of the U.S. DOD Joint Staff responsible for military operations. It is the third level of the US National Level Command Structure, primarily assists the Chairman of the Joi ...

, third level of Nation Level Command Structure *

Operations (military staff) Military operations is a concept and application of military science that involves planning the operations for the projected maneuvering forces' provisions, services, training, and administrative functions—to allow them to commence, insert, ...

, staff involved in planning operations *

Sting operation In law enforcement, a sting operation is a deceptive operation designed to catch a person attempting to commit a crime. A typical sting will have an undercover law enforcement officer, detective, or co-operative member of the public play a rol ...

, an operation designed to catch a person committing a crime, by means of deception

Science and technology

Inference Inferences are steps in logical reasoning, moving from premises to logical consequences; etymologically, the word '' infer'' means to "carry forward". Inference is theoretically traditionally divided into deduction and induction, a distinct ...

, a step in reasoning *

Information technology operations Data center management is the collection of tasks performed by those responsible for managing ongoing operation of a data center. This includes ''Business service management'' and planning for the future. Historically, "data center management" w ...

Operation (mathematics) In mathematics, an operation is a function from a set to itself. For example, an operation on real numbers will take in real numbers and return a real number. An operation can take zero or more input values (also called "'' operands''" or "arg ...

, a calculation from zero or more input values (called operands) to an output value **

Arity In logic, mathematics, and computer science, arity () is the number of arguments or operands taken by a function, operation or relation. In mathematics, arity may also be called rank, but this word can have many other meanings. In logic and ...

, number of arguments or operands that the function takes **

Binary operation In mathematics, a binary operation or dyadic operation is a rule for combining two elements (called operands) to produce another element. More formally, a binary operation is an operation of arity two. More specifically, a binary operation ...

, calculation that combines two elements of the set to produce another element of the set **

Graph operations In the mathematical field of graph theory, graph operations are operations which produce new graphs from initial ones. They include both unary (one input) and binary (two input) operations. Unary operations Unary operations create a new gra ...

, produce new graphs from initial ones **

Modulo operation In computing and mathematics, the modulo operation returns the remainder or signed remainder of a Division (mathematics), division, after one number is divided by another, the latter being called the ''modular arithmetic, modulus'' of the operatio ...

, operation finds the remainder after division of one number by another **

Operations research Operations research () (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a branch of applied mathematics that deals with the development and application of analytical methods to improve management and ...

, in British usage, application of advanced analytical methods to make better decisions ** Unary operation, an operation with only one operand *

Rail transport operations Rail transport operations are the day-to-day operations of a railway. A railway has two major components: the infrastructure (the permanent way, tracks, stations, freight facilities, viaducts, tunnels, etc.) and the rolling stock (the passenger ...

, the control of a rail system * Scientific operation * Surgical operation, or surgery, in medicine *

Unit operation In chemical engineering and related fields, a unit operation is a basic step in a process. Unit operations involve a physical change or chemical transformation such as separation, crystallization, evaporation, filtration, polymerization, isomeriza ...

, a basic step in a chemical engineering process

Other uses

* Anomalous operation, in parapsychology, a term describing a broad category of purported paranormal effects * Operation, a word which represents a grammatical relation (i.e., function) or instruction, rather than a term or name *

Operation of law The phrase "by operation of law" is a legal term that indicates that a right or liability has been created for a party, irrespective of the intent of that party, because it is dictated by existing legal principles. For example, if a person dies wi ...

, a legal term that indicates that a right or liability has been created for a party